{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002031},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002331","480:4800001808","480:4800002412","480:4800002459","480:4800002379","480:4800002427","480:4800001752","480:4800002183","480:4800002457","480:4800001860","480:4800002414","480:4800001921","480:4800002462","480:4800001747","480:4800002233","480:4800002512","480:4800001306","480:4800002239","480:4800002508","480:4800002138","480:4800002084","480:4800001868","480:4800002186","480:4800001976","480:4800002193"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.5738968374798203,0.5482109308726094,0.5222347869435733,0.5167060766229676,0.47926872724330616,0.4788417327819684,0.3522225886057207,0.32186660166672515,0.3029034590161722,0.26511241342060143,0.26108962580883144,0.25967402920031246,0.25314295891226013,0.24517374691157753,0.23617408832656542,0.2296231141474944,0.22810123145791644,0.22352834013271677,0.217148548061317,0.21660609201856382,0.21559946365096005,0.21466371138823012,0.2132959201995825,0.2043669511976744,0.1923907780053461],"twin_dists":[0.13686893252637497,0.14240015366475983,0.14803845952858533,0.14924619631976288,0.1575173360691728,0.15761275279295375,0.18762184197654555,0.19555648822754673,0.20072572734547522,0.2116277844155147,0.212842970947892,0.2132733780243073,0.21527854099360574,0.2177703669036475,0.22064800755755007,0.22278801047793118,0.22329090251039685,0.22481548140900323,0.22697762572098218,0.22716342223869235,0.2275090341031849,0.2278312885846241,0.22830403957673795,0.23144188407579885,0.23580190697006864],"n_dims_used":42,"mean_confidence":0.9108160109747023},"coverage":{"mean_confidence":0.9108160109747023,"n_dims_used":42,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}